mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-28 05:12:49 +00:00
Code Issues Releases Wiki Activity

perf/marvell: Add ACPI support to TAD uncore driver

Browse source 
Add support for ACPI based device registration so that the driver
can be also enabled through ACPI table.
While at that change the DT specific API's to device_* API's so that
both DT based and ACPI based probing works.

Signed-off-by: Gowthami Thiagarajan <gthiagarajan@marvell.com>
Link: https://lore.kernel.org/r/20221209053715.3930071-1-gthiagarajan@marvell.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Gowthami Thiagarajan 2022-12-09 11:07:15 +05:30 committed by Will Deacon
parent e85930f06f
commit 093cf1f62f
1 changed files with 16 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
drivers/perf/marvell_cn10k_tad_pmu.c
View file

@ -13,6 +13,7 @@
#include <linux/cpuhotplug.h>
#include <linux/perf_event.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>
#define TAD_PFC_OFFSET 0x800
#define TAD_PFC(counter) (TAD_PFC_OFFSET | (counter << 3))
@ -254,7 +255,7 @@ static const struct attribute_group *tad_pmu_attr_groups[] = {
static int tad_pmu_probe(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct tad_region *regions;
struct tad_pmu *tad_pmu;
struct resource *res;
@ -276,21 +277,21 @@ static int tad_pmu_probe(struct platform_device *pdev)
return -ENODEV;
}
ret = of_property_read_u32(node, "marvell,tad-page-size",
&tad_page_size);
ret = device_property_read_u32(dev, "marvell,tad-page-size",
&tad_page_size);
if (ret) {
dev_err(&pdev->dev, "Can't find tad-page-size property\n");
return ret;
}
ret = of_property_read_u32(node, "marvell,tad-pmu-page-size",
&tad_pmu_page_size);
ret = device_property_read_u32(dev, "marvell,tad-pmu-page-size",
&tad_pmu_page_size);
if (ret) {
dev_err(&pdev->dev, "Can't find tad-pmu-page-size property\n");
return ret;
}
ret = of_property_read_u32(node, "marvell,tad-cnt", &tad_cnt);
ret = device_property_read_u32(dev, "marvell,tad-cnt", &tad_cnt);
if (ret) {
dev_err(&pdev->dev, "Can't find tad-cnt property\n");
return ret;
@ -369,10 +370,19 @@ static const struct of_device_id tad_pmu_of_match[] = {
};
#endif
#ifdef CONFIG_ACPI
static const struct acpi_device_id tad_pmu_acpi_match[] = {
{"MRVL000B", 0},
{},
};
MODULE_DEVICE_TABLE(acpi, tad_pmu_acpi_match);
#endif
static struct platform_driver tad_pmu_driver = {
.driver = {
.name = "cn10k_tad_pmu",
.of_match_table = of_match_ptr(tad_pmu_of_match),
.acpi_match_table = ACPI_PTR(tad_pmu_acpi_match),
.suppress_bind_attrs = true,
},
.probe = tad_pmu_probe,